Cervical Spondylotic Myelopathy: Natural Course and the Value of Diagnostic Techniques -WFNS Spine Committee Recommendations.
Cervical spondylotic myelopathy
Electrophysiology
Intraoperative monitoring
MR signal intensity
Magnetic resonance imaging
Myelopathic signs
Journal
Neurospine
ISSN: 2586-6583
Titre abrégé: Neurospine
Pays: Korea (South)
ID NLM: 101724936
Informations de publication
Date de publication:
Sep 2019
Sep 2019
Historique:
received:
15
06
2019
accepted:
05
08
2019
entrez:
15
10
2019
pubmed:
15
10
2019
medline:
15
10
2019
Statut:
ppublish
Résumé
This study presents the results of a systematic literature review conducted to determine most up-to-date information on the natural outcome of cervical spondylotic myelopathy (CSM) and the most reliable diagnostic techniques. A literature search was performed for articles published during the last 10 years. The natural course of patients with cervical stenosis and signs of myelopathy is quite variable. In patients with no symptoms, but significant stenosis, the risk of developing myelopathy with cervical stenosis is approximately 3% per year. Myelopathic signs are useful for the clinical diagnosis of CSM. However, they are not highly sensitive and may be absent in approximately one-fifth of patients with myelopathy. The electrophysiological tests to be used in CSM patients are motor evoked potential (MEP), spinal cord evoked potential, somatosensory evoked potential, and electromyography (EMG). The differential diagnosis of CSM from other neurological conditions can be accomplished by those tests. MEP and EMG monitoring are useful to reduce C5 root palsy during CSM surgery. Notable spinal cord T2 hyperintensity on cervical magnetic resonance imaging (MRI) is correlated with a worse outcome, whereas lighter signal changes may predict better outcomes. T1 hypointensity should be considered a sign of more advanced disease. The natural course of CSM is quite variable. Signal changes on MRI and some electrophysiological tests are valuable adjuncts to diagnosis.
Identifiants
pubmed: 31607071
pii: ns.1938240.120
doi: 10.14245/ns.1938240.120
pmc: PMC6790728
doi:
Types de publication
Journal Article
Langues
eng
Pagination
386-402Références
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